Depreciation is calculated on a straight-line basis over the following estimated useful lives:
Buildings   20 years
Motor vehicles   3–10 years
Computer and office equipment   1–5 years
Furniture and fixtures   3–5 years
System software   5 years
Leasehold improvements   Shorter of lease term or
useful lives
Mining equipment   3 years

Historical Timeline

Fiscal YearFiled
2025Oct 14, 2025Showing above
2023Sep 29, 2023
2021Sep 29, 2021
2018Sep 28, 2018

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.